<template>
  <div class="login">
    <!-- 登录页面 -->
    <div class="login-right">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title">高仙机器人</h3>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码" @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 150px;" @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode"  />
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 22px 0px">记住密码</el-checkbox>
        <el-form-item style="width: 100%">
          <el-button :loading="loading" size="medium" type="primary" style="width: 100%" @click.native.prevent="handleLogin">
            <span v-if="!loading">登录</span>
            <span v-else>登 陆 中...</span>
          </el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
import { getCodeImg } from '@/api/singera/login.js'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'
export default {
  name: 'login',
  data () {
    return {
      loading: false,
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      redirect: '',
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: '用户名不能为空' }
        ],
        password: [
          { required: true, trigger: "blur", message: '密码不能为空' }
        ],
        code: [{ required: true, trigger: "change", message: '验证码不能为空' }]
      },
    }
  },
  watch: {
    $route: {
      handler (route) {
        this.redirect = route.query && route.query.redirect;
        if (!this.redirect){
          // 监听路由刷新,避免vue优化同路由,扫码后不刷新
          location.reload()
        }
      },
      // 深度观察监听
      deep: true
    }
  },
  mounted () {
    this.getInit();
  },
  methods: {
    getInit(){
      this.$nextTick(()=>{
        this.$refs.loginForm.clearValidate();
      })
      this.getCode();
      this.getCookie();
    },
    getCode () {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie () {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin(){
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            let query = this.$route.query
            if(query.authorization){
              localStorage.setItem('authorization', decodeURIComponent(query.authorization))
            }
            if(query.icsAuthorization){
              localStorage.setItem('icsAuthorization', decodeURIComponent(query.icsAuthorization))
            }
            this.$router.push({ path: '/home' }).catch(() => { });
          }).catch(() => {
            this.loading = false;
            this.getCode();
          });
        }
      });
    }
  }
}
</script>
<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login_bg_1.png");
  background-size: cover;
  .login-left{
    z-index: 10;
    img{
      width: 280px;
    }
  }
  .login-right {
    width: 300px;
    height: 400px;
    padding: 20px;
    background-color: white;
    ::v-deep .el-tabs__nav{
      width: 100%;
      text-align: center;
      &>div{
        width: 50%;
      }
    }
    .login-form{
      .title {
        margin: 0px auto 20px auto;
        text-align: center;
        color: #333;
      }
      .el-input {
        height: 38px;
        input {
          height: 38px;
        }
      }
      .input-icon {
        height: 39px;
        width: 14px;
        margin-left: 2px;
      }
      .login-code {
        width: 100px;
        height: 38px;
        float: right;
        img {
          cursor: pointer;
          vertical-align: middle;
          height: 38px;
          width: 100%;
        }
      }
    }

    .mid {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      #erweima {
        width: 200px;
        height: 210px;
        overflow: hidden;
        text-align: left;
        margin-top: 10px;
        margin-bottom: 20px;
      }
      h1 {
        font-size: 14px;
        font-weight: 400;
        margin-top: 10px;
        color: #004EA2;
        img{
          width: 21px;
          vertical-align: middle;
        }
      }
      p{
        margin: 6px 6px 8px;
      }

    }

  }
}
::v-deep .el-tabs--border-card > .el-tabs__content{
  padding: 16px 15px 12px;
}
</style>

